diff --git a/README.md b/README.md
index ec5c99316..25ba870d2 100644
--- a/README.md
+++ b/README.md
@@ -18,8 +18,8 @@ With [Upptime](https://upptime.js.org), you can get your own unlimited and free
| --- | ------ | ------- | ------------- | ------ |
| [Codedang](https://codedang.com) | 🟩 Up | [codedang.yml](https://github.com/skkuding/uptime-monitor/commits/HEAD/history/codedang.yml) | 741ms
| 100.00%
| [Codedang API](https://codedang.com/api/notice?take=5) | 🟩 Up | [codedang-api.yml](https://github.com/skkuding/uptime-monitor/commits/HEAD/history/codedang-api.yml) | 408ms
| 100.00%
-| [Codedang (DEV)](https://dev.codedang.com) | 🟥 Down | [codedang-dev.yml](https://github.com/skkuding/uptime-monitor/commits/HEAD/history/codedang-dev.yml) | 4373ms
| 69.88%
-| [Codedang API (DEV)](https://dev.codedang.com/api/notice?take=5) | 🟥 Down | [codedang-api-dev.yml](https://github.com/skkuding/uptime-monitor/commits/HEAD/history/codedang-api-dev.yml) | 1025ms
| 84.07%
+| [Codedang (DEV)](https://dev.codedang.com) | 🟥 Down | [codedang-dev.yml](https://github.com/skkuding/uptime-monitor/commits/HEAD/history/codedang-dev.yml) | 4373ms
| 65.35%
+| [Codedang API (DEV)](https://dev.codedang.com/api/notice?take=5) | 🟥 Down | [codedang-api-dev.yml](https://github.com/skkuding/uptime-monitor/commits/HEAD/history/codedang-api-dev.yml) | 1025ms
| 78.63%